Base | Representation |
---|---|
bin | 1110100010111… |
… | …10100011010101 |
3 | 22111121100212002 |
4 | 13101132203111 |
5 | 222214201401 |
6 | 20035205045 |
7 | 3011112365 |
oct | 721364325 |
9 | 274540762 |
10 | 122022101 |
11 | 62973013 |
12 | 34a46785 |
13 | 1c384436 |
14 | 122c49a5 |
15 | aaa4a6b |
hex | 745e8d5 |
122022101 has 8 divisors (see below), whose sum is σ = 122894904. Its totient is φ = 121152960.
The previous prime is 122022097. The next prime is 122022113. The reversal of 122022101 is 101220221.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 26275876 + 95746225 = 5126^2 + 9785^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 122022101 - 22 = 122022097 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122022181) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102731 + ... + 103911.
It is an arithmetic number, because the mean of its divisors is an integer number (15361863).
Almost surely, 2122022101 is an apocalyptic number.
It is an amenable number.
122022101 is a deficient number, since it is larger than the sum of its proper divisors (872803).
122022101 is a wasteful number, since it uses less digits than its factorization.
122022101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1831.
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 122022101 is about 11046.3614371430. The cubic root of 122022101 is about 495.9975136994.
Adding to 122022101 its reverse (101220221), we get a palindrome (223242322).
The spelling of 122022101 in words is "one hundred twenty-two million, twenty-two thousand, one hundred one".
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